How do you write a balanced overall reaction given the following unbalanced half-reactions?

Question

$Li -> Li^+$
$Ba^(+2) -> Ba$

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Answer 1 · 2016-10-17T06:05:17

Well any equation must conserve mass and charge, so............

$Li rarr Li^+ + e^-$

$Ba rarr Ba^(2+) + 2e^-$

These equations represent the oxidation of the metals to their typical oxidation state. Are mass and charge balanced? What do I mean by this?

$2Li + Ba^(2+)rarr 2Li^+ + Ba$